.portal-header{z-index:999;width:100%;height:56px;color:var(--table-data);background:0 0;align-items:center;display:flex}.portal-header-inner{align-items:center;gap:16px;width:100%;padding:0 clamp(14px,2.4vw,28px);display:flex}.portal-header-brand{flex:none;align-items:center;display:flex}.portal-header-brand img{width:46px;height:auto;display:block}.portal-header-nav{flex:auto;justify-content:center;min-width:0;display:flex}.portal-header-actions{flex:none;align-items:center;gap:10px;margin-left:auto;display:flex}.portal-header{background:0 0;border-bottom:1px solid transparent;transition:background-color .2s,border-color .2s}.portal-header:not(.portal-header-stuck) .theme-toggle{color:#fff;backdrop-filter:blur(6px);background:rgba(14,18,24,.46);border-color:rgba(255,255,255,.26)}.portal-header:not(.portal-header-stuck) .theme-toggle:hover{background:rgba(14,18,24,.62);border-color:rgba(255,255,255,.42)}.theme-toggle{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);width:32px;height:32px;color:var(--table-heading);cursor:pointer;place-content:center;padding:0;transition:background-color .15s,border-color .15s,color .15s;display:grid}.theme-toggle:hover{background:var(--surface-hover);border-color:var(--border-strong);color:var(--table-data)}.theme-toggle:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.header-sign-in-button.MuiButton-root{border-radius:var(--radius-sm);height:32px;padding:0 16px;font-size:13px}@media screen and (width<=576px){.portal-header{height:52px}.portal-header-brand img{width:40px}.nav-hide{display:none}}